<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="6">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" class="input-with-select" clearable @clear="getGoodsList">
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!--table 表格区域-->
      <el-table :data="goodsList" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="150px">
          <template v-slot="scope">
            {{ scope.row.add_time | dataFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="scope">
            <el-tooltip class="item" effect="dark" content="编辑" placement="top" :open-delay="100" :enterable="false">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            </el-tooltip>
            <el-tooltip class="item" effect="dark" content="删除" placement="top" :open-delay="100" :enterable="false">
              <el-button type="danger" icon="el-icon-delete" size="mini"
              @click="removeById(scope.row.goods_id)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页区域-->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[10, 20, 30, 40]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: "List",
  data() {
    return {
      // 分页查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 总页数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const {data: res} = await this.$http.get('goods', {params: this.queryInfo})
      if (res.meta.status !== 200) {
        return this.$message.error('商品列表获取失败')
      }

      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total

      // this.$message.success('商品列表获取成功')
    },
    // 分页中当前页变化
    handleCurrentChange(num) {
      this.queryInfo.pagenum = num
      this.getGoodsList()
    },
    // 分页中当前数量变化
    handleSizeChange(size) {
      this.queryInfo.pagesize = size
      this.getGoodsList()
    },
    // 根据商品 ID 删除商品
    async removeById(id) {
      const confirmRes = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // console.log(confirmRes)

      if (confirmRes !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const {data: res} = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }

      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 通过编程式导航跳转到添加商品页面
    goAddPage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>